BIGTOP-4374: Add ut cases for holder classes in server module

bigtop-manager-server/src/test/java/org/apache/bigtop/manager/server/holder/SessionUserHolderTest.java

@@ -0,0 +1,79 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *    https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.bigtop.manager.server.holder;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+public class SessionUserHolderTest {
+
+    @BeforeEach
+    public void setUp() {
+        SessionUserHolder.clear();
+    }
+
+    @AfterEach
+    public void tearDown() {
+        SessionUserHolder.clear();
+    }
+
+    @Test
+    public void testSetAndGetUserId() {
+        Long testUserId = 12345L;
+        SessionUserHolder.setUserId(testUserId);
+
+        Long retrievedUserId = SessionUserHolder.getUserId();
+        assertEquals(testUserId, retrievedUserId);
+    }
+
+    @Test
+    public void testClear() {
+        Long testUserId = 12345L;
+        SessionUserHolder.setUserId(testUserId);
+
+        SessionUserHolder.clear();
+
+        Long retrievedUserId = SessionUserHolder.getUserId();
+        assertNull(retrievedUserId);
+    }
+
+    @Test
+    public void testUserIdIsThreadLocal() throws InterruptedException {
+        Long mainThreadIdUserId = 12345L;
+        SessionUserHolder.setUserId(mainThreadIdUserId);
+
+        Thread testThread = new Thread(() -> {
+            Long testThreadIdUserId = 67890L;
+            SessionUserHolder.setUserId(testThreadIdUserId);
+
+            Long retrievedUserId = SessionUserHolder.getUserId();
+            assertEquals(testThreadIdUserId, retrievedUserId);
+        });
+
+        testThread.start();
+        testThread.join();
+
+        Long retrievedUserId = SessionUserHolder.getUserId();
+        assertEquals(mainThreadIdUserId, retrievedUserId);
+    }
+}

bigtop-manager-server/src/test/java/org/apache/bigtop/manager/server/holder/SpringContextHolderTest.java

@@ -0,0 +1,83 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *    https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.bigtop.manager.server.holder;
+
+import org.apache.bigtop.manager.server.command.factory.JobFactory;
+import org.apache.bigtop.manager.server.command.validator.CommandValidator;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.context.ApplicationContext;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+public class SpringContextHolderTest {
+
+    private ApplicationContext applicationContext;
+    private SpringContextHolder springContextHolder;
+
+    @BeforeEach
+    public void setUp() {
+        applicationContext = mock(ApplicationContext.class);
+        springContextHolder = new SpringContextHolder();
+        springContextHolder.setApplicationContext(applicationContext);
+    }
+
+    @Test
+    public void testGetBean() {
+        CommandValidator commandValidatorMock = mock(CommandValidator.class);
+        when(applicationContext.getBean(CommandValidator.class)).thenReturn(commandValidatorMock);
+
+        CommandValidator result = springContextHolder.getBean(CommandValidator.class);
+        assertNotNull(result);
+        assertEquals(commandValidatorMock, result);
+    }
+
+    @Test
+    public void testGetCommandValidators() {
+        CommandValidator commandValidatorMock = mock(CommandValidator.class);
+        Map<String, CommandValidator> commandValidatorMap = new HashMap<>();
+        commandValidatorMap.put("commandValidator1", commandValidatorMock);
+        when(applicationContext.getBeansOfType(CommandValidator.class)).thenReturn(commandValidatorMap);
+
+        Map<String, CommandValidator> result = springContextHolder.getCommandValidators();
+        assertNotNull(result);
+        assertEquals(1, result.size());
+        assertEquals(commandValidatorMock, result.get("commandValidator1"));
+    }
+
+    @Test
+    public void testGetJobFactories() {
+        JobFactory jobFactoryMock = mock(JobFactory.class);
+        Map<String, JobFactory> jobFactoryMap = new HashMap<>();
+        jobFactoryMap.put("jobFactory1", jobFactoryMock);
+        when(applicationContext.getBeansOfType(JobFactory.class)).thenReturn(jobFactoryMap);
+
+        Map<String, JobFactory> result = springContextHolder.getJobFactories();
+        assertNotNull(result);
+        assertEquals(1, result.size());
+        assertEquals(jobFactoryMock, result.get("jobFactory1"));
+    }
+}